368 citations
- University of ArizonaUS5 papers
- Center for Astrophysics Harvard & SmithsonianUS4 papers
- Harvard UniversityUS4 papers
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- Lawrence Livermore National LaboratoryUS2 papers
10 papers · 1 filter
Spectral Graph Analysis of Quasi-Cyclic Codes
Roxana Smarandache, Mark F. Flanagan
In this paper we analyze the bound on the additive white Gaussian noise channel (AWGNC) pseudo-weight of a (c,d)-regular linear block code based on the two largest eigenvalues of H…
Seeking Core-Collapse Supernova Progenitors in Pre-Explosion Images
Douglas C. Leonard
I summarize what we have learned about the nature of stars that ultimately explode as core-collapse supernovae from the examination of images taken prior to the explosion. By regis…
Collapse of the random phase approximation: examples and counter-examples from the shell model
Calvin W. Johnson, Ionel Stetcu
The Hartree-Fock approximation to the many-fermion problem can break exact symmetries, and in some cases by changing a parameter in the interaction one can drive the Hartree-Fock m…
Model space truncation in shell-model fits
G. F. Bertsch, C. W. Johnson
We carry out an interacting shell-model study of binding energies and spectra in the -shell nuclei to examine the effect of truncation of the shell-model spaces. Starting with…
Electrically Charged Strange Quark Stars
Rodrigo P. Negreiros, Fridolin Weber, Manuel Malheiro +1
The possible existence of compact stars made of absolutely stable strange quark matter--referred to as strange stars--was pointed out by E. Witten almost a quarter of a century ago…
Impact of Strange Quark Matter Nuggets on Pycnonuclear Reaction Rates in the Crusts of Neutron Stars
Barbara Golf, Joe Hellmers, Fridolin Weber
This paper presents an investigation into the pycnonuclear reaction rates in dense crustal matter of neutron stars contaminated with strange quark matter nuggets. The presence of s…